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... trifluoroacetic anhydride were added to each solution . After 30 minutes the volatiles were rotary- evaporated under vacuum leaving a yellow oil . 2 M1 of dichloro- methane was added to each sample to produce the solutions for g.c. ...
... trifluoroacetic anhydride were added to each solution . After 30 minutes the volatiles were rotary- evaporated under vacuum leaving a yellow oil . 2 M1 of dichloro- methane was added to each sample to produce the solutions for g.c. ...
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0.1 M Aqueous 1:9 ethanol:water Active Amino Acids amino acid samples Amino Acids Irradiated aqueous solution Bakelite Bonner centrifuged CHAPTER 1-2 Experimental CHAPTER I-1 Introduction Chapter III-3 Results clay samples crystalline L-leucine D-tyrosine dichloromethane dryness under vacuum enantiomer Enantiomeric Composition ethanol ethanol:water 4 ml extent of radiolysis Function of y-Radiation g.c. analysis Gas Chromatographic HC1/2-PrOH reagent Hewlett-Packard II-3 Results ionizing radiation Irradiation Experiments Irradiation of L-Leucine isomer Kaolin and Bentonite L-Leucine in 0.1 L-leucine on Kaolin Lawrence Berkeley Laboratory leucine Molecular Chirality NaOH Optically Active Amino optically active molecules Origin of Molecular origin of optical parity violation Preparation of N-Trifluoroacetyl Racemization and Degradation Racemization in Irradiated Racemization of L-Leucine Radiolysis and Radioracemization Radioracemization of L-Leucine rads Residual Amino Acid Results and Discussion solid 0.5 g Solid Amino Acids stereoselective summarized in Table supernatant Table II-1 Test for Racemization Trifluoroacetic anhydride y-Radiation Dosage Radiation y-Radiolysis and Racemization y-ray source